# A369688 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 12
5 36
6 126
7 442
8 1644
9 6172
10 23801
11 92731
12 366688
13 1462852
14 5891808
15 23898576
16 97600556
17 400844140
18 1654818768
19 6862550360
20 28576414261
21 119434041561
22 500849380048
23 2106740001442
24 8886482895068
25 37580609774876
26 159303913630686